Fig. 1

Usual provider of care and primary care attributes. Having a usual provider of care was associated with a higher score on each sub-domain, particularly first contact utilization, first contact access, ongoing care, coordination referrals, coordination information systems, comprehensiveness service, community orientation and cultural competence. Moreover, the scoring gap between having a usual provider of care and not having a usual provider of care in the ongoing care sub-domain was the largest, with scores of 2.95 and 2.33 respectively